Help/Build diary for/of my first antweight.

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Puddle
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Re: Help/Build diary for/of my first antweight.

Postby Puddle » Mon Mar 20, 2017 11:48 pm

ok cool thanks, I ended up overcompensating and giving them too much space but that means that I might be able to fit the servo kinda inbetween the motors.
Harry

Puddle
Posts: 13
Joined: Mon Mar 13, 2017 9:25 pm

Re: Help/Build diary for/of my first antweight.

Postby Puddle » Tue Mar 21, 2017 2:37 am

Ok, after some cardboard cannibalism and lots of small bits of tape I return with a half finished mockup of my chassis. I also build a 4" cube to make sure everything was going to fit. I couldn't find the dimensions for everything like speed controllers or the reciever but I did for the motors and servo which are the bulkiest bits from what I know. I've put a vertical bit on the servo to make sure it'd fit inside the wedge and then I wouldn't have to for the motors as they're shorter than the servo but further up the wedge than the servo. I had an Idea to have little fins near the front to act as a hinge with a rod or screw or something for the flipper but I don't quite know how I'll attach them to the rest of it yet. so far it all fits though and with a small bit of metal and some acetate at the front it looks like it'd get under things pretty well. the slope at the front of the cardboard is 30 degrees right now for anyone that's curious.

still to do is the top, the back and the flipper but it took me a while because I had to redo it a few times to get everything lining up nicely, and now I know the lengths of these bits when I get a polycarb sheet I can just draw the base and sides out as one piece and bend them into shape. there's some images below of it, please let me know what you think!

Image
Image
Harry

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peterwaller
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Re: Help/Build diary for/of my first antweight.

Postby peterwaller » Tue Mar 21, 2017 8:34 am

I found this picture on Ebay and from a quick check it looks good.
The only slight thing is the two mounting holes shown as 1mm ID are in fact tapped M1.6 if you want to mount it that way.
Image

Puddle
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Re: Help/Build diary for/of my first antweight.

Postby Puddle » Wed Mar 22, 2017 4:21 am

Thanks Peter, I now have much more space in my bot as before I had just used the full mesurement. the thing with the holes shouldn't be an issue as I'm planning to use those motor mounts from rory's kits with holes in the bottom of the chassis to screw up into but thanks for letting me know!
Harry

Puddle
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Joined: Mon Mar 13, 2017 9:25 pm

Re: Help/Build diary for/of my first antweight.

Postby Puddle » Mon Mar 27, 2017 3:14 am

Alright so I remade my mockup in sketchup because I couldn't bend the cardboard into a nice enough arc to fit correctly but now I'm wondering, How hard is it to get a nice curve out of polycarb? can I just bend it into shape or is it gonna break? should I just go for a straight edge rather than a rounded one?
Harry

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BeligerAnt
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Re: Help/Build diary for/of my first antweight.

Postby BeligerAnt » Wed Mar 29, 2017 7:48 pm

If you fix polycarb at two ends at different angles it will naturally form a curve :) Take a look at Pants or Make-A-Bot to see how it works. It won't break even if you form it into a sharp bend, so a gentle curve is no problem.
Gary, Team BeligerAnt


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